Heat an iOpener and apply it to the right edge of the back cover for a minute.

A hair dryer, heat gun, or hot plate may also be used, but be careful not to overheat the phone—the display and internal battery are both susceptible to heat damage.

While you wait, note the following areas on the back cover:

Strong adhesive—there are large patches of adhesive near the bottom of the phone.

Fingerprint sensor cable—be careful not to slice through the cable as you pry